For Friedman, this was a tough lesson to learn, coming from the ego-driven world of television.

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It's a tough lesson to learn: No one listens, everyone thinks they're invincible.

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It was a tough lesson to learn.

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That was a very tough lesson, but for the first time they are telling the truth.

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President Obama learned a political lesson from President Clinton, which is that the tough decisions made in 1993 didn't advance the progressive cause.

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